/// <summary>
/// Implementation of the texture pool range invalidation.
/// </summary>
/// <param name="address">Start address of the range of the texture pool</param>
/// <param name="size">Size of the range being invalidated</param>
protected override void InvalidateRangeImpl(ulong address, ulong size)
{
ProcessDereferenceQueue();
ulong endAddress = address + size;
for (; address < endAddress; address += DescriptorSize)
{
int id = (int)((address - Address) / DescriptorSize);
Texture texture = Items[id];
if (texture != null)
{
TextureDescriptor descriptor = PhysicalMemory.Read <TextureDescriptor>(address);
// If the descriptors are the same, the texture is the same,
// we don't need to remove as it was not modified. Just continue.
if (descriptor.Equals(ref DescriptorCache[id]))
{
continue;
}
texture.DecrementReferenceCount(this, id);
Items[id] = null;
}
}
}
/// <summary>
/// Gets the descriptor for a given ID.
/// </summary>
/// <param name="id">ID of the descriptor. This is effectively a zero-based index</param>
/// <returns>The descriptor</returns>
public T2 GetDescriptor(int id)
{
return(PhysicalMemory.Read <T2>(Address + (ulong)id * DescriptorSize));
}